Tech Reference

How to change the font size on your Kindle device in 2 ways

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You can increase or decrease the font size on any Kindle reader device. Hollis Johnson/Business Insider
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Reading on a digital device allows you to create a personalized reading experience and customize settings like font size and brightness.

To find out which settings are most comfortable for you on your Kindle device, you can either tap the reading toolbar on newer Kindle models, including the Kindle Fire and Kindle Paperwhite, or tap the "Aa" option on older models.

Here's how to do it. 

Check out the products mentioned in this article:

Kindle Fire HD 10 (From $109.99 on Amazon)

Kindle Paperwhite (From $129.99 on Amazon)

How to change the font size on a first generation Kindle

Early generation Kindles include a keyboard, which features an "Aa" font button next to the space bar as opposed to an option on the touchscreen. Another method includes using the "Menu" button to open a list of options.

How to change the font size on a 2nd generation Kindle or later

On new models, including the Kindle Fire and Kindle Fire HD, you'll simply have to tap to reveal the reading toolbar, and then select "Aa (Settings)."

Here, you'll find a variety of options to change both the font and font size. Additionally, you can make changes to line spacing and margins.

1. Open a book on your Kindle to change the font size.

2. Tap anywhere on your screen to reveal the reading toolbar.

3. Tap the "Aa" option on the left hand side.

How to change font size on Kindle
Tap "Aa."  Marissa Perino/Business Insider

4. This will open a pop-up where you can make changes to the font. Select a different size "Aa" at the top to make text larger or smaller. You can also adjust the font, line spacing, and margins.

How to change font size on Kindle
Select your font size.  Marissa Perino/Business Insider

5. Tap the "X" to close out of the pop-up and view your new font size.

How to change font size on Kindle
View the new font size.  Marissa Perino/Business Insider

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Disclosure: Jeff Bezos, CEO of Amazon, is an investor in Business Insider.

Disclosure: Jeff Bezos, CEO of Amazon, is an investor in Business Insider.

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Marissa Perino is a former editorial intern covering executive lifestyle. She previously worked at Cold Lips in London and Creative Nonfiction in Pittsburgh. She studied journalism and communications at the University of Pittsburgh, along with creative writing. Find her on Twitter: @mlperino.